Eliminate all the zombies that wanna take your fast food. Move with W,A,S,D. Press K or L to shoot. If a zombie grabs you press quickly left and right arrow key to get free. Choose your weapon with 1,2,3,4,5. Press the space bar to change quickly your weapon.

Help Zack to find what's going on in the biomedicine lab where he works. Move with the arrow keys. Press Q to open your inventory. Press the space bar to open the doors. Use the mouse to choose objects from the inventory. Make click to attack. Press R to reload your weapon. Press the Caps lock to turn the light on.